Ten relief camps have been set up in Sonitpur district, the sources said.

Meanwhile, with almost the entire 420 sq m of core area of the Kaziranga National Park flooded by waters of the Brahmaputra River, poachers taking advantage of the situation, killed a one-horned rhinoceros last night, forest officials said.

The poachers took away the pachyderm`s horn, they said.

The Pabitora Game Sanctuary, having the highest density of rhinoceroses in the world and the Dibru Saikhowa sanctuary which has rare wild horses were also inundated.